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Phase Behavior in Polymers: Morphology and Self-Assembly: 2nd Edition

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Analysis and Characterization".

Deadline for manuscript submissions: closed (31 March 2026) | Viewed by 814

Special Issue Editor


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Guest Editor
Department of Chemical Engineering, National Cheng Kung University, No. 1, University Road, Tainan 701-01, Taiwan
Interests: polymer crystallization and morphology; self-assembly; photonic crystals; biodegradable polymers; nanocomposites
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Special Issue Information

Dear Colleagues,

Polymers are made of repeating units—monomers of a variety of structures. Thus, architects of polymer structures influence their phase behavior in many ways. Polymers of different structures (variations in monomer types, Mw, copolymerization, branching, crosslinking, etc.) can display varied phase behavior. Furthermore, they can be blended/mixed with other polymers or low-Mw compounds, or solvents, to display even wider and more complex variations in this way. The phase behavior of polymers, in turn, can influence the physical and mechanical properties of their ultimate applications. In wider scopes, polymers with semicrystalline structures contain at least two phases: crystalline and amorphous domains. Their crystal-assembled morphologies also determine their applications. Although the fundamentals of polymer phase behavior in polymers, blends, and block copolymers have been widely studied, well understood, and soundly established over the past few decades, recent significant advances in polymer self-assembly, supramolecular architects, photonics, biomimetics and biomedical fields, etc., demand a Special Issue.

This Special Issue, titled “Phase Behavior in Polymers: Morphology and Self-Assembly: 2nd Edition”, will be a collection of high-quality original/review papers focusing on recent progress in the following topics: (a) polymer crystal-amorphous phases in bulks or thin films; (b) binary–ternary homopolymer mixtures/blends and diblock/triblock copolymers exhibiting macrophase/microphase separation and phase-domain morphology; (c) polymer phase separation/crystallization for photonics; (d) novel interpretations for phase separation or crystallization in polymers, copolymers, or blends; and (e) special phase behavior or surface-relief periodic patterns in polymers, blends, or polymer–polymer complexes with potential applications in biomimetics or functional, biomedical, or photonic applications.

Although papers on other potentially interesting topics are also welcome for submission and not limited to the above lists, intended submissions should generally relate to phase behavior in polymers.

Prof. Dr. Eamor M. Woo
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • phase behavior of blends or copolymers
  • crystallization induced separation
  • morphology
  • self-assembly and surface relief patterns
  • supramolecular architect

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Published Papers (1 paper)

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Research

14 pages, 5416 KB  
Article
Lamellar Dilation in (AB)-g-A Copolymacromer Melts: A Dissipative Particle Dynamics Study
by Jihoon Park and June Huh
Polymers 2026, 18(7), 798; https://doi.org/10.3390/polym18070798 - 26 Mar 2026
Viewed by 364
Abstract
Homopolymer addition is a widely used strategy to dilate the microdomain spacing of block copolymers, yet the attainable dilation is often limited by macrophase separation in conventional blends at elevated homopolymer loading. In this work, we investigate an architectural route to suppress macrophase [...] Read more.
Homopolymer addition is a widely used strategy to dilate the microdomain spacing of block copolymers, yet the attainable dilation is often limited by macrophase separation in conventional blends at elevated homopolymer loading. In this work, we investigate an architectural route to suppress macrophase separation while retaining homopolymer-driven dilation: a covalently hybridized bottlebrush copolymer (CH-BBC), a copolymacromer-like bottlebrush architecture in which symmetric AB diblock side chains and A-type homopolymer side chains are covalently grafted to a common backbone. Using dissipative particle dynamics (DPD) simulations, we directly compare the phase behavior of CH-BBC melts with that of composition-matched blends of symmetric AB diblocks and A-type homopolymers. Across the explored window, CH-BBC exhibits microphase morphologies and disorder without an observable two-phase region, whereas the corresponding blends show extensive two-phase coexistence at elevated homopolymer loading. Lamellar analysis and one-dimensional density decompositions further reveal that CH-BBC enables substantially larger microphase dilation and stronger selective swelling of the A-rich domain because tethered A-type homopolymer segments preferentially occupy and dilate the A-rich domain interior while diblock A segments remain localized near interfaces. Full article
(This article belongs to the Special Issue Phase Behavior in Polymers: Morphology and Self-Assembly: 2nd Edition)
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